#include <stdio.h>
#include <math.h>

int main()
{
    double a = 0, b = 0, c = 0,
           x1 = 0, x2 = 0,
           d = 0;
    scanf("%lg %lg %lg", &a, &b, &c);

    d = b * b - 4 * a * c;
    if (d < 0)
        printf("No roots");
    if (d == 0)
        printf("%lg", - b / (2 * a));
    //printf("Hello, world!");
    if (d > 0)
    {
        d = sqrt(d);
        x1 = (- b + d) / (2 * a);
        x2 = (- b - d) / (2 * a);
        if (x1 == x2)
            printf("%lg", x1);
        else
            printf("%lg\t%lg", x1, x2);
    }
    return 0;
}
